A Self-Regulating Transpiration System (SERTS) concept has been developed through the design of ground test and flight hardware by means of which the nose tip of a reentering missile might retain its sharp shape. The concept uses the thermal expansion of a liquid to open a valve through which a liquid coolant flows, admitting the coolant to a vaporization chamber. Aerodynamic heating of the nose tip causes the actuator temperature ...
This report presents the results of the reliability testing of the MIL-STD-781B type performed on the AN/AAS-18 Infrared Detecting Set (IRDS) Cryogenic Cooler. This test was an essential part of the reconnaissance Increased Reliability of Operational Systems (IROS) Program. The reliability test was performed by the OOAMA Service Engineering Division at Hill AFB, Utah. (Author)
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